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Patched homolog 1 gene mutation (p.G1093R) induces nevoid basal cell carcinoma syndrome and non-syndromic keratocystic odontogenic tumors: A case report.


ABSTRACT: Mutations in the Patched homolog 1 (PTCH1) gene lead to an autosomal dominant disorder known as nevoid basal cell carcinoma syndrome (NBCCS) or Gorlin syndrome (GS). Several PTCH1 mutations have been observed in NBCCS associated with keratocystic odontogenic tumors (KCOTs), including non-syndromic KCOTs. The missense mutation c.3277G>C (p.G1093R) in exon 19 of the PTCH1 gene has only been reported in non-syndromic KCOTs. The present study reports for the first time a familial case (father and daughter) of NBCCS and KCOTs, carrying the same c.3277G>C (p.G1093R) germline mutation. This observation suggests that this missense mutation is involved in the pathogenesis of NBCCS as well as in a subset of non-syndromic KCOTs. The identification of a missense mutation may lead to an earlier diagnosis of NBCCS.

SUBMITTER: Ponti G 

PROVIDER: S-EPMC3402755 | biostudies-literature | 2012 Aug

REPOSITORIES: biostudies-literature

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Patched homolog 1 gene mutation (p.G1093R) induces nevoid basal cell carcinoma syndrome and non-syndromic keratocystic odontogenic tumors: A case report.

Ponti Giovanni G   Pollio Annamaria A   Pastorino Lorenza L   Pellacani Giovanni G   Magnoni Cristina C   Nasti Sabina S   Fortuna Giulio G   Tomasi Aldo A   Scarrà Giovanna Bianchi GB   Seidenari Stefania S  

Oncology letters 20120508 2


Mutations in the Patched homolog 1 (PTCH1) gene lead to an autosomal dominant disorder known as nevoid basal cell carcinoma syndrome (NBCCS) or Gorlin syndrome (GS). Several PTCH1 mutations have been observed in NBCCS associated with keratocystic odontogenic tumors (KCOTs), including non-syndromic KCOTs. The missense mutation c.3277G>C (p.G1093R) in exon 19 of the PTCH1 gene has only been reported in non-syndromic KCOTs. The present study reports for the first time a familial case (father and da  ...[more]

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